1643728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5407}}^1$

素因数の和:5434

約数の個数: 20

約数和(自身を含む): 3352960

約数和(自身を除く): 1709232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5407, 10814, 21628, 43256, 86512, 102733, 205466, 410932, 821864, 1643728]

約数ペア:

[(1, 1643728), (2, 821864), (4, 410932), (8, 205466), (16, 102733), (19, 86512), (38, 43256), (76, 21628), (152, 10814), (304, 5407)]